15r^2+10rs+6rs+4s^2=

Solution for 15r^2+10rs+6rs+4s^2= equation:

Simplifying
15r2 + 10rs + 6rs + 4s2 = 0

Reorder the terms:
10rs + 6rs + 15r2 + 4s2 = 0

Combine like terms: 10rs + 6rs = 16rs
16rs + 15r2 + 4s2 = 0

Solving
16rs + 15r2 + 4s2 = 0

Solving for variable 'r'.

Factor a trinomial.
(5r + 2s)(3r + 2s) = 0

Subproblem 1
Set the factor '(5r + 2s)' equal to zero and attempt to solve:

Simplifying
5r + 2s = 0

Solving
5r + 2s = 0

Move all terms containing r to the left, all other terms to the right.

Add '-2s' to each side of the equation.
5r + 2s + -2s = 0 + -2s

Combine like terms: 2s + -2s = 0
5r + 0 = 0 + -2s
5r = 0 + -2s
Remove the zero:
5r = -2s

Divide each side by '5'.
r = -0.4s

Simplifying
r = -0.4s
Subproblem 2
Set the factor '(3r + 2s)' equal to zero and attempt to solve:

Simplifying
3r + 2s = 0

Solving
3r + 2s = 0

Move all terms containing r to the left, all other terms to the right.

Add '-2s' to each side of the equation.
3r + 2s + -2s = 0 + -2s

Combine like terms: 2s + -2s = 0
3r + 0 = 0 + -2s
3r = 0 + -2s
Remove the zero:
3r = -2s

Divide each side by '3'.
r = -0.6666666667s

Simplifying
r = -0.6666666667s
Solution
r = {-0.4s, -0.6666666667s}